Appliance for embalming



06t- 16, H 3 Cox APPLIANCE FOR EMBALMING.

2 Sheets-Sheet 1 Filed June 1, 1949 INVENTOR, 5. Cox

HTTOANE Y3.

Oct. 16, 1951 5. ox

. APPLIANCE FOR EMBALMING 2 Sheets-Sheet 2 Filed June 1949 INVENTOR, flown/ d 5, 00m.

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Patented Oct. 16, 1951 UNITED STATES PATENT OFFICE APPLIANCE FOR EMBALMING Howard B. Cox, Akron, Ohio Application June 1, 1949, Serial No. 96,502

3 Claims.

Another object of this invention is to facilitate the removal of blood clots, chicken-fat clots, etc., by the scissor-action of a cutter bar which operates within the drainage tube.

Another object of this invention is the improvement of the trocars, which are inserted into the abdominal and thoracic cavities of the dead human body to aspirate liquids, gases, and unexcreted waste materials from the internal organs. It is also used to inject preservative chemicals under pressure into the abdominal and thoracic cavities to preserve those organs not reached by preservative chemicals during the arterial injection.

A still further object of I this invention is to provide a compact and conveniently operated trocar, having certain advantageous features.

With the foregoing and other objects in view, this invention comprises certain novel constructions, combinations and arrangements of parts as will be hereinafter fully described, illustrated in the accompanying drawings, and more particularly pointed out in the appended claims.

In the drawings:

Figure 1 is a longitudinal, vertical, sectional view of a trocar, showing any invention.

Figure 2 is an enlarged, vertical, sectional view of the trocar, with the cutter bar shown in elevation.

Figure 3 is an enlarged, transverse, sectional view, taken on line 33, Fig. 1.

Figure 4 is a vertical, longitudinal, sectional view of a drainage tube, showing the cutter bar in elevation, in accordance with this invention.

Figure 5 is an enlarged, fragmentary, sectional view of the drainage tube, showing the cutter bar in elevation.

Figure 6 is an enlarged, transverse, sectional view, taken on line 5--5, Fig. 4.

Referring to the drawings in which Figs. 1 to 3 show the preferred specie of this invention, I designates a sectional tube in which is positioned a cutter bar 2. This cutter bar 2 is provided with two longitudinal grooves 3, Fig. 3, that produce four blades These blades 4 are ground to a razor sharpness. At the point end 5 the cutter bar 2 is tapered as shown and is seated in the cavity of the puncture-point tip 6. This tip 6 is tapered to facilitate puncturing the cavity and organs contained therein. In the tip 6 is an aperture I. This aperture I allows fluids to escape to prevent the collection of fluids that might disrupt the accuracy of the cutter bar 2. The detachable section 8 of the tube is also provided with preferably two apertures 9. It is obvious that the section 8 is screw-threaded into the main part of tube I. This section 8 constitutes a part of the tube I. The main part of tube I is provided with a plurality of apertures I0. It will be noted that these apertures I0, as well as apertures 9, are near the point end of the tube I.

On one end of the tube I is screwed the handle II. An escape aperture I2 is formed on tube I near the handle II and over this aperture is placed a hose attachment I3. This aperture I2 is for aspirated materials to pass through.

The cap I4 is threaded onto the handle II to lock the cutter bar 2 in the tube I when retracted by pulling back on knurled knob I5, which is at tached to the plunger rod I6, the plunger rod being secured to the inner end of the cutter bar 2.

The hose attachment I3 may be attached to a length of rubber hose (not shown), through which suction or aspiration pressure is applied. This pressure withdraws waste materials, through the trocar, from the cavities.

Upon inserting the trocar through the abdominal wall, aspiration of waste materials commences. In this invention the cutter bar 2, with its four blades 4, rotates Within the tube I, and across said holes or apertures 9 and II] by turning the knurled knob I5 either clockwise or counterclockwise. By turning the knurled knob I5, the plunger rod I 6 also turns, which rotates the cutter bar 2. This action allows the sharp blades 4 to pass over the apertures 9 and I0, simulating a scissor-like action which slices the clogging material into small pieces that can then enter into the longitudinal grooves 3 in the cutter bar 2, then pass through tube I, aperture I2 and into hose attachment I3.

The cutter bar of this invention eliminates this removal and allows easy, uninterrupted aspirating and injection of preservative chemicals without removing to clean. Further, the cutter bar trocar is designed to be adapted to both adult and baby size trocars.

In the embodiment shown in Figures 4 to 6, the tube Ia, that is open at its outer end, and which is adapted to be inserted in a vein, has numerous apertures Illa. These apertures IIIa are provided for the entrance of clots. Threefourths of the way back from the outer end of tube la is located an aperture I2, over which is placed the hose attachment I3, similar in construction to the embodiment shown in Figure 1. The inside diameter of the tube la is of smaller diameter at lb. The enlargement Ic in the diameter of the tube extends to the knurled knob I5, for the purpose hereinafter described.

The outer end of the cutter bar 211. extends beyond the tube Ia so as to provide a director for the tube when inserted into the vein. In this embodiment a broach id is formed at the inner end of the cutter bar 2a. This broach I6a fits the inner diameter of the tube Ia like a piston fits a cylinder, to provide a means for shutting off the drain tube when drainage is not desired. The plunger rod I6 is connected at one end to the broach portion of the cutter bar and at its other end is connected to the knurled knob I5.

When this drainage tube is inserted into the vein, the cutter :bar is in a closed position, with the outer projecting end .as shown. This projecting end aids insertion into the vein. To facilitate drainage, knurled knob I is drawn back, which results in pulling the cutter bar into the area of greatest inside diameter of the .tube, indicated by Ic. The greatest diameter ;I.c allows compressed air pressure and fluids to escape around the broach IBa and out of the aperture I2 into the hose attachment I3.

When the tube is in the drainage position, blood is displaced -by embalming fluid, under pressure, in the arteries, and out through the tube. When clots are too large to be drained and plug up apertures Ilia, the cutter bar is returned to the closed position, Fig. 4, and turned on itsaxis within the tube by'twisting the knurled knob I5. The sharp cutting blades 4 create a scissor-action across the apertures Illa and cut off these clots in small pieces, which can be drained. The knurled knob I5 can be rotated clockwise or counter-clockwise to turn the cutter bar either way. Then the knurled knob I5 is drawn back to place the tube in an open position. The broach a causes a suction action and aids in drawing the small cut up clots through the tube Ia and out through the aperture I2 and hose attachment IS.

The broach in a closed position when injection without drainage is desired.

The cutter bar is so attached that easy removal for sharpening is possible, making the life of the tube greatly increased. The apparatus herein described is designed to be adapted as a jugular, axillary, and femoral drainage tube.

.In the two embodiments of this invention, the cutter'baris substantially the same in construction, involving the four razor-like blades 4, associated broadly .in an apertured tube, .as hereinbefore described.

While I have described the preferred embodiments of my invention and illustrated the same in the accompanying drawings, certain .minor changes or alterations may appear to one skilled in the art to which this invention relates during the extensive manufacture of the same, and ,I. therefore, reserve the right to make such changes or alterations as shall fairly fall within the scope of the appended claims.

Ida also serves to hold tube Ia What I claim is:

1. In an apparatus of the class described, the combination of a cylindrical tube provided with apertures, an elongated cutter bar mounted for rotation in said tube and of substantially I- shape in cross section, the end surfaces of the section being arcuate in form and fitting closely in said tube, said section including a web portion extending centrally between the section ends, the arcuate end surfaces and the sides of the web being joined by surfaces diverging from the sides of the web and meeting said end surfaces at acute angles to form sharp knife edges adapted to work across said apertures, and manually operated means connected to said cutter bar for "imparting rotative movement thereto.

in cross section, the end surfaces of the section being arcuate in form and fitting closely in said tube, said section including a web portion extending centrally between the section ends, the arcuate end surfaces and the sides of the web being joined by surfaces diverging from the sides of the web and meeting said end surfaces .at acute angles to form sharp knife edges, a plunger rod connected at one end to said cutter bar, and a knob on an end of said plunger rod.

3. In an apparatus of the class described, the combination of a cylindrical tube, said tube provided with apertures, a detachable section on said tube, said section provided with apertures in its side and with a transverse aperture near its outer end, a threaded handle on the inner end of said tube, a cap threaded on one end of said handle, a hose attachment on said tube, .a rotatable cutter bar of substantially I-shape in cross section, theend surfaces of the section being arcuate in form and fitting closely in said tube, said section including a web portion extending centrally between the section ends, the arcuate end surfaces and the sides of the web being joined by surfaces diverging from the sides of the web and meeting said end surfaces at acute angles to form sharp knife edges, a plunger rod extending through the threaded cap on said handle and connected to said cutter bar, and a knob on the .outer end of said plunger rod.

HOWARD B. COX.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 887,480 Alleman Aug. 7, 1888 583,427 Bomgardner May 25, 1897 648,858 Dolge May 1, 1900 878,199 Freeman Feb. 4, 1908 918,437 Genung Apr. 13, .1909 923,416 Dolge et al. June 1, 1909 954,494 Andrews Apr. 12, 1910 1,585,934 .Muir May 25, 1926 1,845,727 Slaughter Feb. 16, 1932 

